JP2007509442A - 走査装置で全方向性光を照射する方法及び装置 - Google Patents
走査装置で全方向性光を照射する方法及び装置 Download PDFInfo
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
- G06K7/10712—Fixed beam scanning
- G06K7/10722—Photodetector array or CCD scanning
- G06K7/10732—Light sources
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
- G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
- G06K7/10851—Circuits for pulse shaping, amplifying, eliminating noise signals, checking the function of the sensing device
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- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
- G06K7/1404—Methods for optical code recognition
- G06K7/146—Methods for optical code recognition the method including quality enhancement steps
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Abstract
Description
102、902 走査装置
104 グリップ部
106 本体部
109 プロセッサ
110、210、230 ケーブル
112 コンピュータ
113 走査アプリケーション
114 表示装置
116 キーボード
118 マウス
120 アプリケーション
122 トリガー
130、264、320 関心領域
132、260、910 物品
134 バーコード
140 スイッチ
142、310、311、312、314、420、520、820、840、904、1120、1206 光導管
144、340、430、522、822、842 先端
150 カメラセンサ
220 カメラ部
222 ブラケット
224 電気光学センサ組立体
226 固定リング
228 固定ネジ
262 搬送装置
264、320 関心領域
330、514、810、1106 センサ
332、412、510、806、1104 回路基板
334 発光器
336、802、804、1102 リング
342 開口領域
350 傾斜部
352 低角度照明
360 開口先端
362 明視野照明
370 制御器
371 メモリ
372 送信器/受信器
374 ユーザ選択入力
380、382、384、386 四分円弧
383 弓型発光器
410 光源
414 電気光学センサ
422、516、812、1110 光学系
424、518、814、1112 窓
440 暗視野照明パターン
450、460 明視野発光器
512、532、850 LED
530 誘導ロッド/レンズ
602 視野
604、710 照明パターン
610、712 照準ドット
830 バッフル
852 レンズ
912 被検体
1002 点線
1004 長方形
1202 照明リング
1204 カバー
1220、1224 不透明表面
1226 内側の表面
Claims (42)
- 符号化されたデータコードに暗視野照明を照射する複数の個々に制御可能な発光部分を有する光源と、
該光源によって照射される際、前記符号化されたデータコードから反射される画像データを検出する画像センサと、
前記個々に制御可能な発光部分の各々に接続され、該発光部分を選択的に作動するようプログラムされ、前記光源によって前記符号化されたデータコードに照射される光を調整し、前記画像センサによって集められる前記画像データを処理して前記コードを解読する制御器と、を備えるデジタル方式で符号化されたコードを解読するデジタル走査装置。 - 前記個々に制御可能な発光部分が円形リングの一部からなる請求項1に記載のデジタル走査装置。
- 前記円形リングの一部が四円分弧からなる請求項2に記載のデジタル走査装置。
- 前記個々に制御可能な発光部分が複数の電気的に接続された個々の発光部分からなる請求項2に記載のデジタル走査装置。
- 前記個々に制御可能な発光部分が長方形のリングを構成する請求項1に記載のデジタル走査装置。
- 前記個々に制御可能な発光部分が卵形リングを構成する請求項1に記載のデジタル走査装置。
- 前記個々に制御可能な発光部分が楕円形リングを構成する請求項1に記載のデジタル走査装置。
- 前記画像センサによって取得される前記データを評価し、コードの解読を最適化するため前記個々に制御可能な発光部分から前記データコードに照射される光を変更するよう更に前記制御器がプログラムされている請求項1に記載のデジタル走査装置。
- 前記光源が受動の光導管からなる請求項1に記載のデジタル走査装置。
- 前記走査装置が手持ち式走査装置である請求項1に記載のデジタル走査装置。
- 前記走査装置が固定式走査装置である請求項1に記載のデジタル走査装置。
- 前記光源が能動の光導管からなる請求項1に記載のデジタル走査装置。
- 前記個々に制御可能な発光部分の少なくとも一つを作動するよう手動で選択するため前記制御器に接続される手動制御手段を更に備える請求項1に記載のデジタル走査装置。
- 解読に成功するよう作動された発光部分に関するデータを記録するメモリを更に備える請求項1に記載のデジタル走査装置。
- 前記個々に制御可能な発光部分の明るさを変更するよう更に前記制御器がプログラムされている請求項1に記載のデジタル走査装置。
- 前記画像センサの露出時間を変更するよう更に前記制御器がプログラムされている請求項1に記載のデジタル走査装置。
- (a)照射面に暗視野照明と明視野照明の少なくとも一方を照射するため、複数の個々に制御可能な発光部分を符号化されたデータコードの周囲に配列するステップと、
(b)前記個々に制御可能な発光部分の少なくとも一つを用いて前記符号化されたデータコードを照射するステップと、
(c)画像データセットを取得するステップと、
(d)該画像データセットを評価し、解読に適しているかを判断するステップと、
(e)前記個々に制御可能な発光部分から照射される光を変更するため発光パラメータを選択的に変更し、前記符号化されたデータコードへの前記照明を変更するステップと、
(f)前記画像データセットが解読に適したものとなるまでステップ(d)及びステップ(e)を繰り返すステップと、
を備える符号化されたデータコードを解読する方法。 - 前記個々に制御可能な発光部分を四分円弧にして前記照射面のまわりに配列するステップを更に備える請求項17に記載の方法。
- 解読に適すると認識された前記選択的に作動及び非作動とされる発光部分の設定を記録するステップ(g)を更に備える請求項17に記載の方法。
- ステップ(b)が、記録された照明の前記設定を読み出すことを備える請求項17に記載の方法。
- ステップ(b)が、前記発光部分を各々作動するため初期設定パラメータを読み出すことを備える請求項17に記載の方法。
- ステップ(d)が、前記コードを解読するため前記取得された画像データを評価することを備える請求項17に記載の方法。
- ステップ(d)が、明暗画素の相対強度を評価すべく前記取得された画像データを評価することを備える請求項17に記載の方法。
- ステップ(a)が、前記発光部分を四分円弧に配列することを備え、続くステップ(b)が該四分円弧の一以上の組合せを逐次作動することを備える請求項17に記載の方法。
- ステップ(a)が、明視野照明及び暗視野照明の各々を選択的に照射することを備える請求項17に記載の方法。
- ステップ(e)が、前記照明の明るさを変更するため、前記個々に制御可能な発光部分の少なくとも一つに適用される信号を調節することによって照射される光を変更することを備える請求項17に記載の方法。
- ステップ(e)が、前記コードを照射する露出時間を変更することを備える請求項17に記載の方法。
- ステップ(e)が、焦点を変更することを備える請求項17に記載の方法。
- ステップ(e)が、前記個々に制御可能な発光部分の少なくとも一つを選択的に作動することを備える請求項17に記載の方法。
- 解読されるコードを含む近接面に暗視野照明を照射するリング光源と、
該光源から投射される光を選択的に変更するため、該リング光源に接続された制御器と、
前記コードの画像データを取得するため該制御器に接続された画像センサとを備え、
該画像データを評価して該画像データが前記コードを解読するのに十分であるかどうかを判断し、前記画像データが前記コードを解読するのに十分となるまで前記光源から投射される光を変更するよう前記制御器がプログラムされているデジタル走査装置。 - 発光条件を記録するため前記制御器に接続されたメモリを更に備える請求項30に記載のデジタル走査装置。
- 前記データの統計的分析に基づき、前記コードを解読するのに該データが十分であるかどうか判断するよう更に前記制御器がプログラムされている請求項30に記載のデジタル走査装置。
- 前記コードの解読ができるか試行することによって、該コードを解読するのに前記データが十分であるか否かを判断するよう更に前記制御器がプログラムされている請求項30に記載のデジタル走査装置。
- 明視野照明を前記近接面に照射するため明視野光源を更に備え、該明視野光源を選択的に作動して前記コードを照射するよう更に前記制御器がプログラムされている請求項30に記載のデジタル走査装置。
- 前記リング光源が受動の光導管からなる請求項30に記載のデジタル走査装置。
- 前記リング光源が能動の光導管からなる請求項30に記載のデジタル走査装置。
- 前記リング光源が複数の個々に制御可能な発光部分からなる請求項30に記載のデジタル走査装置。
- 前記コードから反射される光を検出するため、及び前記発光条件を変更すべく前記制御器にフィードバック情報を与えるため、該制御器に接続された画像センサを更に備える請求項30に記載のデジタル走査装置。
- 弓形光源と、
該光源から投射される光を選択的に変更するため、該弓形光源に接続された制御器と、
コードに関する画像データを取得するため、該制御器に接続された画像センサとを備え、
前記画像データを評価して該画像データが前記コードを解読するのに十分であるか否かを判断し、該画像データが該コードを解読するのに十分となるまで前記光源から投射される光を変更するよう前記制御器がプログラムされているデジタル走査装置。 - 前記弓形光源がリングの一部からなる請求項39に記載のデジタル走査装置。
- 前記弓形光源がリングからなる請求項39に記載のデジタル走査装置。
- 前記弓形光源が複数の個々に制御可能な発光部分からなる請求項39に記載のデジタル走査装置。
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US10/693,626 US7823783B2 (en) | 2003-10-24 | 2003-10-24 | Light pipe illumination system and method |
US10/911,989 US7604174B2 (en) | 2003-10-24 | 2004-08-05 | Method and apparatus for providing omnidirectional lighting in a scanning device |
PCT/US2004/034872 WO2005043449A1 (en) | 2003-10-24 | 2004-10-21 | Method and apparatus for providing omnidirectional lighting in a scanning device |
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JP2007509442A5 JP2007509442A5 (ja) | 2008-02-14 |
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US (5) | US7604174B2 (ja) |
EP (1) | EP1687752B2 (ja) |
JP (1) | JP2007509442A (ja) |
AT (1) | ATE386988T1 (ja) |
DE (1) | DE602004011979T3 (ja) |
WO (1) | WO2005043449A1 (ja) |
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Also Published As
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DE602004011979T2 (de) | 2009-02-12 |
EP1687752A1 (en) | 2006-08-09 |
EP1687752B2 (en) | 2012-04-04 |
US20130233926A1 (en) | 2013-09-12 |
US8061613B2 (en) | 2011-11-22 |
US7604174B2 (en) | 2009-10-20 |
US20150014415A1 (en) | 2015-01-15 |
WO2005043449A1 (en) | 2005-05-12 |
US8740078B2 (en) | 2014-06-03 |
DE602004011979D1 (de) | 2008-04-03 |
US20060032921A1 (en) | 2006-02-16 |
DE602004011979T3 (de) | 2012-07-26 |
EP1687752B1 (en) | 2008-02-20 |
US20120118966A1 (en) | 2012-05-17 |
US8282000B2 (en) | 2012-10-09 |
ATE386988T1 (de) | 2008-03-15 |
US9298960B2 (en) | 2016-03-29 |
US20100025469A1 (en) | 2010-02-04 |
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